chore: use node_bindings loop for clarity

shell/browser/electron_browser_main_parts.cc

@@ -251,7 +251,7 @@ ElectronBrowserMainParts::ElectronBrowserMainParts(
       browser_(new Browser),
       node_bindings_(
           NodeBindings::Create(NodeBindings::BrowserEnvironment::BROWSER)),
-      electron_bindings_(new ElectronBindings(uv_default_loop())) {
+      electron_bindings_(new ElectronBindings(node_bindings_->uv_loop())) {
   DCHECK(!self_) << "Cannot have two ElectronBrowserMainParts";
   self_ = this;
 }

shell/renderer/electron_renderer_client.cc

@@ -37,7 +37,7 @@ bool IsDevToolsExtension(content::RenderFrame* render_frame) {
 ElectronRendererClient::ElectronRendererClient()
     : node_bindings_(
           NodeBindings::Create(NodeBindings::BrowserEnvironment::RENDERER)),
-      electron_bindings_(new ElectronBindings(uv_default_loop())) {}
+      electron_bindings_(new ElectronBindings(node_bindings_->uv_loop())) {}
 
 ElectronRendererClient::~ElectronRendererClient() {
   asar::ClearArchives();